CN103591874A - Method for achieving polar coordinate gear measuring center zero point calibration through standard block - Google Patents
Method for achieving polar coordinate gear measuring center zero point calibration through standard block Download PDFInfo
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- CN103591874A CN103591874A CN201310552368.4A CN201310552368A CN103591874A CN 103591874 A CN103591874 A CN 103591874A CN 201310552368 A CN201310552368 A CN 201310552368A CN 103591874 A CN103591874 A CN 103591874A
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- calibrated bolck
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Abstract
本发明涉及一种用标准块实现极坐标齿轮测量中心零点标定的方法。目前对还没有能对极坐标测量中心的零点标定，也没有对T0进行自动检测的装置和办法，因此也无法使用后续测量软件来进行自动误差补偿。本发明用标准块实现极坐标齿轮测量中心零点标定，所用标准块包含一个芯轴和两个基准面，通过芯轴将标准块安装在极坐标齿轮测量中心的回转轴上，所述两个基准面为A1和A2，两侧面相对芯轴中心的距离分别为B1和B2。本发明中所采用的标准块其本质上是带芯轴的标准块，加工时只需要保证两侧面的直线度即可；一次装夹即可实现自动零点标定；同样适合于公知的齿轮测量中心。
The invention relates to a method for realizing the zero point calibration of the polar coordinate gear measurement center by using a standard block. At present, there is no zero point calibration of the polar coordinate measurement center, and there is no device and method for automatic detection of T 0 , so it is impossible to use subsequent measurement software to perform automatic error compensation. The present invention realizes the zero point calibration of the polar coordinate gear measurement center with a standard block, the standard block used includes a mandrel and two datum planes, the standard block is installed on the rotary shaft of the polar coordinate gear measurement center through the mandrel, and the two datums The faces are A 1 and A 2 , and the distances from the two sides to the center of the mandrel are B 1 and B 2 respectively. The standard block used in the present invention is essentially a standard block with a mandrel, and only needs to ensure the straightness of the two sides during processing; one-time clamping can realize automatic zero point calibration; it is also suitable for known gear measurement centers .
Description
Technical field
the invention belongs to coordinate measuring machine technical field, be specifically related to a kind of method that realizes polar coordinates gear measuring center Zero calibration with calibrated bolck.
Background technology
Gear measuring center is the crystallization of infotech, computer technology and Numeric Control Technology integrated application on gear measuring instrument, is the developing milestone of co-ordinate-type gear measuring instrument.Be mainly used in the detection of gear individual event geometric accuracy, also can be used for the measurement of gear global error.It has, and measurement range is wide, precision is high, efficiency high.
Polar coordinate measurement center is comprised of two linear axis and a revolving shaft, and described linear axis is Z axis and R axle.Gauge head can move along linear axis, in horizontal section, only can move along R axle.The gauge head centre of sphere should be positioned at according to the rules R axis to, but because alignment error, may off-axis one apart from T
0, T
0generally should be less than 10um.Polar coordinates gear measuring center must carry out zero correction before carrying out workpiece calibration, and, when gauge head moves to centre of gyration position, it is 0 that its R axial coordinate indicating value requires, and calibrates the distance T of gauge head distance R axis
0.
At present to also do not have can be to polar coordinate measurement center Zero calibration, also not to T
0carry out the device and the way that automatically detect, therefore also cannot carry out automatic error compensation by follow-up Survey Software.
Summary of the invention
The object of this invention is to provide a kind of method that realizes polar coordinates gear measuring center Zero calibration with calibrated bolck, to realize polar coordinates gear measuring center, be difficult to the problem of demarcation zero point.
The technical solution adopted in the present invention is:
With calibrated bolck, realize the method for polar coordinates gear measuring center Zero calibration, its special character is:
In the method, calibrated bolck used comprises a mandrel and two reference fields, by mandrel, calibrated bolck is arranged on the revolving shaft of polar coordinates gear measuring center, and described two reference fields are A
1and A
2, the distance at relative mandrel center, two sides is respectively B
1and B
2;
The concrete steps of the method are:
The first step: on the revolution pillow block of polar coordinates gear measuring center, and make its gauge head be positioned over R to the correct position with Z-direction calibrated bolck clamping, guarantee that calibrated bolck can make an one reference field contact gauge head under the drive of turntable;
Second step: under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make the upper gauge head of calibrated bolck reference field contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
1, q
1);
The 3rd step: automatically change probe location along R direction, and under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make the upper gauge head of calibrated bolck reference field contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
2, q
2);
The 4th step: can repeating step more than three time, obtain multiple spot coordinate figure (R
i, q
i), i=1,2,3 ..., n, n>=2;
The 5th step: computing machine should be on straight line according to the coordinate figure of a plurality of points of measuring and the distance of this straight line and the centre of gyration be B
1this pacing items, obtains reference field equation:
The 6th step: as gauge head amount of bias T
0when known, skipped this step.Under polar coordinates gear measuring center drives, gauge head is contacted with another reference field of calibrated bolck, and measures the equation of another reference field:
The 7th step: obtain axle center coordinate R according to equation solution
0, the R axle relative coordinate value (R of current gauge head and shaft core position
n-R
0), be the actual coordinate value of current polar coordinates gear measuring center R axle.Polar coordinates gear measuring center R axial coordinate indicating value (R is set
n-R
0); The installation biased error T of gauge head
0, can be used for the auto-compensation in measuring;
The 8th step: reset is complete, takes off calibrated bolck.
The present invention has the following advantages:
1, simple in structure: in the present invention institute's accepted standard piece its be the calibrated bolck with mandrel in essence, add and only need to guarantee the linearity of two sides man-hour.Requirement is not done to the distance of mandrel in side, can adopt instrument to identify distance value.This calibrated bolck can obtain easily, such as can directly using, has demarcated the standard that the rectangle feeler gauge of parameter is used as Zero calibration, can be fixed on a platform with mandrel and realize with standard gauge block.
2, method is simple: clamped one time can be realized automatic zero point and demarcate.
3, applied widely: the method is suitable for known gear measuring center equally.T now
0what represent is T axial coordinate value.
Accompanying drawing explanation
Fig. 1 is the not parallel schematic diagram of two reference fields of the calibrated bolck with mandrel of the present invention;
Fig. 2 is the parallel and minute both sides schematic diagram of two reference fields of the calibrated bolck with mandrel of the present invention;
Fig. 3 is the parallel reference field schematic diagram of two homonymies of the calibrated bolck with mandrel of the present invention;
Fig. 4 is the schematic diagram of measuring method embodiment 1 of the present invention;
Fig. 5 is the schematic diagram of measuring method embodiment 2 of the present invention;
Fig. 6 is to rectangular spline two sides range measurements schematic diagram on known gear measuring center;
Fig. 7 adopts this rectangular spline to carry out measurement result schematic diagram while not calibrating on polar coordinates gear measuring center;
Fig. 8 is the schematic diagram at actual zero point obtaining after this rectangular spline measurement result being processed on polar coordinates gear measuring center.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail.
Referring to Fig. 1 ~ Fig. 3, in the method, calibrated bolck used comprises a mandrel and two reference fields, by mandrel, calibrated bolck is arranged on the revolving shaft of polar coordinates gear measuring center, and described two reference fields are A
1and A
2, A
1and A
2two sides can be parallel, also can become any angle, and the distance at relative mandrel center, two sides is respectively B
1and B
2.B
1with B
2can equate, also can be unequal.B parameter
1and B
2can measure in advance by Other Instruments.
Embodiment 1:
Referring to Fig. 5, surveying instrument is polar coordinates gear measuring center.Adopt one dimension needle point gauge head, dynamometry is to, gauge head amount of bias T perpendicular to R
0known.Utilize the concrete steps of the inventive method to be:
The first step: on the revolution pillow block of polar coordinates gear measuring center, and make its gauge head be positioned over R to the correct position with Z-direction calibrated bolck clamping, guarantee that calibrated bolck can make an one reference field contact gauge head under the drive of turntable;
Second step: under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make calibrated bolck reference field A
1gauge head in contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
1, q
1);
The 3rd step: automatically change probe location along R direction, and under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make calibrated bolck reference field A
1gauge head in contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
2, q
2);
The 4th step: can repeating step more than three time, obtain multiple spot coordinate figure (R
i, q
i), i=1,2,3 ..., n, n>=2;
The 5th step: computing machine should be on straight line according to the coordinate figure of a plurality of points of measuring and the distance of this straight line and the centre of gyration be B
1this pacing items, obtains reference field A
1equation:
The 6th step: obtain axle center coordinate R according to equation solution
0, the R axle relative coordinate value (R of current gauge head and shaft core position
n-R
0), be the actual coordinate value of current polar coordinates gear measuring center R axle.Polar coordinates gear measuring center R axial coordinate indicating value (R is set
n-R
0); The installation biased error T of gauge head
0, can be used for the auto-compensation in measuring.
The 7th step: reset is complete, takes off calibrated bolck.
embodiment 2:
Referring to Fig. 4 and Fig. 5, surveying instrument is polar coordinates gear measuring center.Adopt one dimension spheric probe, dynamometry is to, gauge head amount of bias T perpendicular to R
0unknown.Utilize the concrete steps of the inventive method to be:
The first step: on the revolution pillow block of polar coordinates gear measuring center, and make its gauge head be positioned over R to the correct position with Z-direction calibrated bolck clamping, guarantee that calibrated bolck can make an one reference field A under the drive of turntable
1gauge head in contact;
Second step: under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make calibrated bolck reference field A
1gauge head in contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
1, q
1);
The 3rd step: automatically change probe location along R direction, and under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make calibrated bolck reference field A
1gauge head in contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
2, q
2);
The 4th step: can repeating step more than three time, obtain multiple spot coordinate figure (R
i, q
i), i=1,2,3 ..., n, n>=2;
The 5th step: computing machine should be on straight line according to the coordinate figure of a plurality of points of measuring and the distance of this straight line and the centre of gyration be this pacing items of B1, obtain reference field equation:
The 6th step: as gauge head amount of bias T
0when known, skipped this step.Under polar coordinates gear measuring center drives, make another reference field A of gauge head and calibrated bolck
2contact, and measure another reference field A
2equation:
The 7th step: obtain axle center coordinate R according to equation solution
0, the R axle relative coordinate value (R of current gauge head and shaft core position
n-R
0), be the actual coordinate value of current polar coordinates gear measuring center R axle.Polar coordinates gear measuring center R axial coordinate indicating value (R is set
n-R
0); The installation biased error T of gauge head
0, can be used for the auto-compensation in measuring.
The 8th step: reset is complete, takes off calibrated bolck.
embodiment 3:
Referring to Fig. 5, surveying instrument is known gear measuring center.Adopt one dimension needle point gauge head, dynamometry be perpendicular to R to.Utilize the concrete steps of the inventive method to be:
The first step: on the revolution pillow block of gear measuring center, and make its gauge head be positioned over R to the correct position with Z-direction calibrated bolck clamping, guarantee that calibrated bolck can make an one reference field A under the drive of turntable
1gauge head in contact;
Second step: under the drive of gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make calibrated bolck reference field A
1gauge head in contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
1, q
1, T
1);
The 3rd step: automatically change probe location along R direction, and under the drive of gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make calibrated bolck reference field A
1gauge head in contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
2, q
2, T
2);
The 4th step: can repeating step more than three time, obtain multiple spot coordinate figure (R
i, q
i, T
i), i=1,2,3 ..., n, n>=2;
The 5th step: computing machine should be on straight line according to the coordinate figure of a plurality of points of measuring and the distance of this straight line and the centre of gyration be B
1this pacing items, obtains reference field A
1equation:
The 6th step: under gear measuring center drives, make another reference field A of gauge head and calibrated bolck
2contact, and measure another reference field A
2equation:
The 7th step: obtain axle center coordinate R according to equation solution
0and T
0, the R axle relative coordinate value (R of current gauge head and shaft core position
n-R
0) and (T
n-T
0), be the actual coordinate value of current polar coordinates gear measuring center R axle.Polar coordinates gear measuring center R axial coordinate indicating value (R is set
n-R
0), T axial coordinate indicating value (T
n-T
0);
The 8th step: reset is complete, takes off calibrated bolck.
embodiment 4:
For using the polar coordinates gear measuring center of three dimensional probe, 3-D probe can adopt the method for embodiment 2 to carry out Zero calibration.
embodiment 5:
For using the known gear measuring center of three dimensional probe, 3-D probe can adopt embodiment 3 methods to carry out Zero calibration.
Referring to Fig. 6, Fig. 6 be on known gear measuring center to rectangular spline two sides range measurements schematic diagram, the distance that measures the left side centre of gyration is respectively 4.998mm, the right side is 5.012mm to centre of gyration distance;
Referring to Fig. 7, Fig. 7 adopts this rectangular spline to carry out measurement result schematic diagram while not calibrating on polar coordinates gear measuring center.The measurement left side is respectively 4.983mm to the distance of current true origin, and the right side is 5.027mm to the distance of current true origin.Do not conform to the distance value to the centre of gyration;
Referring to Fig. 8, Fig. 8 is the schematic diagram at actual zero point obtaining after this rectangular spline measurement result being processed on polar coordinates gear measuring center.According to Fig. 7 data, carry out zero correction, it is 0.004mm that true origin departs from centre of gyration R axial coordinate value, vertical R direction of principal axis distance is 0.015mm, after proofreading and correct, the left side is 4.998mm to the distance of true origin, the right side is 5.012mm to true origin distance, conform to Fig. 6 result, illustrate that the true origin after proofreading and correct is exactly the centre of gyration, automatic calibration result is correct.
It is cited that content of the present invention is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading instructions of the present invention, is claim of the present invention and contains.
Claims (1)
1. with calibrated bolck, realize the method for polar coordinates gear measuring center Zero calibration, its special character is:
In the method, calibrated bolck used comprises a mandrel and two reference fields, by mandrel, calibrated bolck is arranged on the revolving shaft of polar coordinates gear measuring center, and described two reference fields are A
1and A
2, the distance at relative mandrel center, two sides is respectively B
1and B
2;
The concrete steps of the method are:
The first step: on the revolution pillow block of polar coordinates gear measuring center, and make its gauge head be positioned over R to the correct position with Z-direction calibrated bolck clamping, guarantee that calibrated bolck can make an one reference field contact gauge head under the drive of turntable;
Second step: under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make the upper gauge head of calibrated bolck reference field contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
1, q
1);
The 3rd step: automatically change probe location along R direction, and under the drive of polar coordinates gear measuring center revolving shaft, drive calibrated bolck to contact with gauge head, make the upper gauge head of calibrated bolck reference field contact; Obtain each axial coordinate value (R of contact point on calibrated bolck
2, q
2);
The 4th step: can repeating step more than three time, obtain multiple spot coordinate figure (R
i, q
i), i=1,2,3 ..., n, n>=2;
The 5th step: computing machine should be on straight line according to the coordinate figure of a plurality of points of measuring and the distance of this straight line and the centre of gyration be B
1this pacing items, obtains reference field equation:
The 6th step: as gauge head amount of bias T
0when known, skipped this step; Under polar coordinates gear measuring center drives, gauge head is contacted with another reference field of calibrated bolck, and measures the equation of another reference field:
The 7th step: obtain axle center coordinate R according to equation solution
0, the R axle relative coordinate value (R of current gauge head and shaft core position
n-R
0), be the actual coordinate value of current polar coordinates gear measuring center R axle; Polar coordinates gear measuring center R axial coordinate indicating value (R is set
n-R
0); The installation biased error T of gauge head
0, can be used for the auto-compensation in measuring;
The 8th step: reset is complete, takes off calibrated bolck.
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|---|---|---|---|
| CN201310552368.4A CN103591874B (en) | 2013-11-11 | 2013-11-11 | The method realizing polar coordinate gear measuring center Zero calibration with calibrated bolck |
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|---|---|---|---|
| CN201310552368.4A CN103591874B (en) | 2013-11-11 | 2013-11-11 | The method realizing polar coordinate gear measuring center Zero calibration with calibrated bolck |
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Cited By (5)
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| CN103925903A (en) * | 2014-04-18 | 2014-07-16 | 西安工业大学 | Method for measuring tooth form of cycloidal gear |
| CN107726973A (en) * | 2017-11-24 | 2018-02-23 | 西安工业大学 | A kind of measuring coordinate system method for building up of side putting type measuring machine for large gear |
| CN108562435A (en) * | 2018-01-28 | 2018-09-21 | 北京工业大学 | A kind of 90 ° of crossed axis angle low module bevel gear pairs are double to nibble measurement calibration method |
| CN110514091A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of design method of precision ECM processing cathode site consistency |
| CN113589755A (en) * | 2021-09-30 | 2021-11-02 | 杭州数途信息科技有限公司 | Intelligent debugging method and system based on optimized compensation |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925903A (en) * | 2014-04-18 | 2014-07-16 | 西安工业大学 | Method for measuring tooth form of cycloidal gear |
| CN107726973A (en) * | 2017-11-24 | 2018-02-23 | 西安工业大学 | A kind of measuring coordinate system method for building up of side putting type measuring machine for large gear |
| CN107726973B (en) * | 2017-11-24 | 2019-11-26 | 西安工业大学 | A kind of measurement establishment of coordinate system method of the side putting type measuring machine for large gear |
| CN108562435A (en) * | 2018-01-28 | 2018-09-21 | 北京工业大学 | A kind of 90 ° of crossed axis angle low module bevel gear pairs are double to nibble measurement calibration method |
| CN108562435B (en) * | 2018-01-28 | 2020-08-28 | 北京工业大学 | Double-meshing measurement calibration method for 90-degree crossed-axis angle small-modulus bevel gear pair |
| CN110514091A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of design method of precision ECM processing cathode site consistency |
| CN113589755A (en) * | 2021-09-30 | 2021-11-02 | 杭州数途信息科技有限公司 | Intelligent debugging method and system based on optimized compensation |
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| CN103591874B (en) | 2016-08-17 |
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